Omega Vehicle Security OMP-MODL - Manual (Page 269)

11.. . A PPENDIX A: M ASTER I CON R EFERENCE
U SING THE OMP-MODL 11-107
R ATE OF C HANGE F UNCTION I CON
FUNCTION:
The Rate of Change icon calculates and outputs the rate of change of a signal for a user
specified number of samples. A “sliding” calculation is performed each time the input is
updated. For example, if the user-entered number of samples is 5, after the 5th sample is
taken, the 1st and 5th samples are used for the calculation. The next time sample is
taken, the 2nd and 6th are used and so on.
INPUTS:
Data/Logic Signal: Data type.
OUTPUTS:
Output Signal: Data type. The Rate of Change icon updates its output after
receiving the user specified number of samples and calculation the Rate of
Chnge.
ICON CONFIGURATION DIALOG BOX:
CONFIGURATION OPTIONS:
Icon Name: Specify the label for the icon. This name will show directly under the icon
within the Program Net.
Input Rate Time Base: Specifies ttime base of the output. For example if Seconds is
selected and the input is temperature, the output would be the rate of
change of the input in degrees per second.
Number of Samples: Specifies the number of samples that defines the time interval
used for the calculation.(dtm samples/intervals???).
Output Name:Specify the label for the Output. This name will show directly under the
Output terminal within the Program Net.
Units: Provides a text box for user entry of a units label that will be shown at the output
from this icon